Home / 885,409,088.20-1,328,680,502.70-516,943,328.20

Finding the Fourth Proportional to 885,409,088.20, 1,328,680,502.70 and 516,943,328.20

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Solution

The fourth proportional to 885,409,088.20, 1,328,680,502.70 and 516,943,328.20 is: 775,745,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,409,088.20 : 1,328,680,502.70 = 516,943,328.20 : x
  2. Step 2: Convert to fraction form
    885,409,088.20/1,328,680,502.70 = 516,943,328.20/x
  3. Step 3: Cross multiply
    885,409,088.20x = 1,328,680,502.70 × 516,943,328.20
  4. Step 4: Simplify right side
    885,409,088.20x = 686,852,521,180,187,136
  5. Step 5: Solve for x
    x = 686,852,521,180,187,136/885,409,088.20
  6. Step 6: Final answer
    x = 775,745,957.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.